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Finding the Fourth Proportional to 219,287.33, 302,617.44 and 118,685.33

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Solution

The fourth proportional to 219,287.33, 302,617.44 and 118,685.33 is: 163,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,287.33 : 302,617.44 = 118,685.33 : x
  2. Step 2: Convert to fraction form
    219,287.33/302,617.44 = 118,685.33/x
  3. Step 3: Cross multiply
    219,287.33x = 302,617.44 × 118,685.33
  4. Step 4: Simplify right side
    219,287.33x = 35,916,249,906.81
  5. Step 5: Solve for x
    x = 35,916,249,906.81/219,287.33
  6. Step 6: Final answer
    x = 163,786.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.